// Copyright (C) 2024 Kumo inc.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//

#if !defined( __cpp_exceptions )
#include <iostream>
int main()
{
   std::cerr << "Exception support required, example unavailable." << std::endl;
   return 1;
}
#else

#include <iomanip>

#include <rothar/pegtl.hpp>
#include <rothar/pegtl/contrib/analyze.hpp>
#include <rothar/pegtl/contrib/proto3.hpp>

int main( int argc, char** argv )  // NOLINT(bugprone-exception-escape)
{
   using namespace rothar;

   if( analyze< proto3::proto >() != 0 ) {
      return 1;
   }

   for( int i = 1; i < argc; ++i ) {
      file_input in( argv[ i ] );
      try {
         parse< proto3::proto >( in );
      }
      catch( const parse_error& e ) {
         const auto p = e.positions().front();
         std::cerr << e.what() << '\n'
                   << in.line_at( p ) << '\n'
                   << std::setw( p.column ) << '^' << '\n';
      }
   }
   return 0;
}

#endif
